JR: Chronicles at the Saatchi Gallery, Chelsea, London runs until 3 October 2021. This is the largest art exhibition by French artist JR ever held in London and showcases his most iconic work from the past 15 years. The exhibition features photographs of many of his large-scale outdoor installations, including his work at the Ellis Island Immigration Hospital. The hospital is a collection of derelict medical buildings, closed since 1954, that cared for US immigrants from 189